Home / 88,283.04-121,788.72-50,535.84

Finding the Fourth Proportional to 88,283.04, 121,788.72 and 50,535.84

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Solution

The fourth proportional to 88,283.04, 121,788.72 and 50,535.84 is: 69,715.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,283.04 : 121,788.72 = 50,535.84 : x
  2. Step 2: Convert to fraction form
    88,283.04/121,788.72 = 50,535.84/x
  3. Step 3: Cross multiply
    88,283.04x = 121,788.72 × 50,535.84
  4. Step 4: Simplify right side
    88,283.04x = 6,154,695,267.72
  5. Step 5: Solve for x
    x = 6,154,695,267.72/88,283.04
  6. Step 6: Final answer
    x = 69,715.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.